forcesinafghanistan. hewill succeed leon panetta, the new secretary of defense. the man panetta will replace, robert gates, got a presidential sendoff today. he is the only secretary of defense who has served a republican, george w. bush, and a democrat, barack obama. and the newest royal sensations will and kate, she is now catherine, the duchess of cambridge are in canada tonight. it is the first official trip abroad. they'll be there for nine days with stops across the country. but more than 1300 journalists are following their every move. 1300. what's there to say? >> just a romantic getaway. newly married and 1300 of us in the media following them around. are you going to be one of them, by the way? >> no. i'll be here to bug you instead. >> never a bother. >>> stick around, a pretty incredible video. this is our shot tonight. it comes to us from time magazine's latest issue. amazing video of the never-ending battle against drug smugglers. you're going to see and hear customs agents chase a truck full of drugs and the incredible getaway. take a look. >> eastbound they'll tu

inafghanistan. hewill succeed leon panetta. the man panetta will replace robert gates got a presidential sendoff today. he is the only secretary of defense who has served a republican, george w. bush, and a democrat, barack obama. >>> and the newest royal sensations, will and kate, she is of course now catherine the duchess of cambridge are in canada tonight. it is the first official trip abroad. they won't be alone, sanjay. more than 1300 journalists are following their every move. 1300. i mean, what's there to say? >> they're just trying to have a romantic get away. newly married and 1300 of us in the media following them around are. you going to be one of them by the way? >> no. i'll be here to bug you instead. >> never a bother. >>> up next, the casey anthony defense rests without putting her on the stand. is that going to help her or hurt her when the jury deliberates? but the same jury incidentally did hear from the woman who claims she had an affair with casey's father and that he told her that little caylee died in an accident that spiralled out of control. an ac 360 has exclusiv